What year Proton Gl Extra is most reliable?

Based on MOT first-test pass rates, the 1991 Proton Gl Extra has the highest pass rate at 1.2%, out of 228 vehicles tested.

What are the most common Proton Gl Extra MOT failures?

The most common Proton Gl Extra MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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673 vehicles · MOT data 1990–1991 · first-test pass rates

Best pass rate year

1991

1.2% first-test pass rate · 228 vehicles

Lowest pass rate year

1990

1.0% first-test pass rate · 445 vehicles

Year	Pass rate	Avg mileage	Vehicles
1991	1.2%	93,656 mi	228
1990	1.0%	77,984 mi	445

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